PLH53-1 Epoxy Red Lead Anti-Rust Primer

Overview
Two-component epoxy anti-rust primer for corrosion protection of steel structures and equipment.​

Composition
Epoxy resin, red lead anti-rust pigment, fillers, additives, solvents, and amine curing agent; supplied as Part A and Part B.​

Typical uses

• Gas holders, storage tanks, mines, offshore platforms, underwater steel structures, and buried pipelines.​

• Steel structures in factories/buildings and equipment steel surfaces used as an anti-corrosion primer.​

Technical data (typical)

• Appearance / color: Orange-red.​

• Theoretical consumption: 0.19 kg/m² at 50 µm DFT (losses not included).​

• Density / specific gravity: Approx. 1.6 kg/L.​

• Drying / curing (25°C): Touch dry 1 h; hard dry 24 h; full cure 7 days.​

Application data (25°C)

• Mixing ratio (A:B): 28:4.​

• Induction time: 5 min.​

• Pot life: 4 h.​

• Application methods: Airless spray, brush, roller.​

• Thinner / Cleaner: X-7 epoxy thinner; typical dilution 2–8% (air spray/roller may require more).​

• Recoat interval / overcoating interval (25°C): Minimum 24 h; maximum 7 days.​

• Recommended DFT: 60–80 µm per coat (brush/roller: 40–50 µm per coat).​

Surface preparation

• Abrasive blasting or shot blasting to Sa 2.5, or power-tool cleaning to St 3.​

• Surface profile: 30–75 µm.​

System compatibility / packing / storage

• Compatible topcoats: epoxy MIO intermediate coating, epoxy topcoat, polyurethane topcoat; also acrylic, chlorinated rubber, high chlorinated polyethylene, chlorosulfonated polyethylene, and chlorinated ether topcoats.​

• Shelf life: 12 months.​

• Storage: Store in a dry, cool, ventilated warehouse away from fire sources and direct sunlight; outdoor storage is not permitted.​

• Packaging: Part A 28 kg; Part B 4 kg.